bug#4410: 23.1.50; copy-file get wrong number of args with url-handler-mode

Turn on url-handler-mode and evaluate

  (copy-file
   "http://www.w3.org/QA/Tools/css-validator/css-validator.jar"
   "temp.tmp")

This gives the error

Debugger entered--Lisp error: (wrong-number-of-arguments #[(url newname
&optional ok-if-already-exists keep-time) "binary data removed..."
[newname ok-if-already-exists url handle buffer file-exists-p error
"Opening output file: File already exists, %s"
url-retrieve-synchronously nil "Opening input file: No such file or
directory, %s" mm-dissect-buffer t mm-save-part-to-file kill-buffer
mm-destroy-parts] 4
("c:/emacs/u/090911/emacs/lisp/url/url-handlers.elc" . 6235)] 5)
  url-copy-file("http://www.w3.org/QA/Tools/css-validator/css-validator.jar"
"c:/emacs/p/090804/EmacsW32/nxhtml/util/temp.tmp" nil nil nil)
  apply(url-copy-file
("http://www.w3.org/QA/Tools/css-validator/css-validator.jar"
"c:/emacs/p/090804/EmacsW32/nxhtml/util/temp.tmp" nil nil nil))
  url-file-handler(copy-file
"http://www.w3.org/QA/Tools/css-validator/css-validator.jar"
"c:/emacs/p/090804/EmacsW32/nxhtml/util/temp.tmp" nil nil nil)
  copy-file("http://www.w3.org/QA/Tools/css-validator/css-validator.jar"
"temp.tmp")



If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
c:/emacs/u/090911/emacs/etc/DEBUG for instructions.


In GNU Emacs 23.1.50.1 (i386-mingw-nt5.1.2600)
 of 2009-09-11
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags
-Ic:/g/include -fno-crossjumping'